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Fair Value of Financial Instruments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Additional Fair Value Elements [Abstract] |  |
Transfers in or out of Level 3 | $ 0.0 | $ 0.0
Fair Value, Measurements, Recurring [Member] |  |
Additional Fair Value Elements [Abstract] |  |
Deferred compensation plan assets | 12.6 | 12.9
Supplementary pension plan assets | 10.8 | 11.6
Cross currency rate swap | 3.7 |
Interest rate swap | 0.3 | 2.9
Money market funds |  | 0.7
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Additional Fair Value Elements [Abstract] |  |
Deferred compensation plan assets | 0.0 | 0.0
Supplementary pension plan assets | 0.0 | 0.0
Cross currency rate swap | 0.0 |
Interest rate swap | 0.0 | 0.0
Money market funds |  | 0.7
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Additional Fair Value Elements [Abstract] |  |
Deferred compensation plan assets | 12.6 | 12.9
Supplementary pension plan assets | 10.8 | 11.6
Cross currency rate swap | 3.7 |
Interest rate swap | 0.3 | 2.9
Money market funds |  | 0.0
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Additional Fair Value Elements [Abstract] |  |
Deferred compensation plan assets | 0.0 | 0.0
Supplementary pension plan assets | 0.0 | 0.0
Cross currency rate swap | 0.0 |
Interest rate swap | $ 0.0 | 0.0
Money market funds |  | $ 0.0

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- Definition Fair value portion of asset contracts related to deferred compensation plan. + References No definition available. + Details
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- Definition Fair value portion of asset contracts related to interest rate swaps. + References No definition available. + Details
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- Definition Fair value portion of asset contracts related to supplementary pension plan. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
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- Definition Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps. + References No definition available. + Details
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